Home / 1,316,266.88-1,974,400.31-318,994.88

Finding the Fourth Proportional to 1,316,266.88, 1,974,400.31 and 318,994.88

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Solution

The fourth proportional to 1,316,266.88, 1,974,400.31 and 318,994.88 is: 478,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,266.88 : 1,974,400.31 = 318,994.88 : x
  2. Step 2: Convert to fraction form
    1,316,266.88/1,974,400.31 = 318,994.88/x
  3. Step 3: Cross multiply
    1,316,266.88x = 1,974,400.31 × 318,994.88
  4. Step 4: Simplify right side
    1,316,266.88x = 629,823,580,885.90
  5. Step 5: Solve for x
    x = 629,823,580,885.90/1,316,266.88
  6. Step 6: Final answer
    x = 478,492.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.